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The Vanguard rocket [1] was intended to be the first launch vehicle the United States would use to place a satellite into orbit. Instead, the Sputnik crisis caused by the surprise launch of Sputnik 1 led the U.S., after the failure of Vanguard TV-3, to quickly orbit the Explorer 1 satellite using a Juno I rocket, making Vanguard 1 the second successful U.S. orbital launch.
Vanguard 1 satellite sketch. After its scientific mission ended in 1964, Vanguard 1 became a derelict object – as did the upper stage of the launch rocket, after it finished the delta-v maneuver to place Vanguard 1 in orbit in 1958. Both objects remain in orbit.
Vanguard rocket on Pad LC-18A. Project Vanguard was a program managed by the United States Navy Naval Research Laboratory (NRL), which intended to launch the first artificial satellite into low Earth orbit using a Vanguard rocket [1] as the launch vehicle from Cape Canaveral Missile Annex, Florida.
Vanguard TV-1, also called Vanguard Test Vehicle-One, was the second sub-orbital test flight of a Vanguard rocket as part of the Project Vanguard.Vanguard TV-1 followed the successful launch of Vanguard TV-0 a one-stage rocket launched in December 1956.
The complex consists of two launch pads, LC-18A, which was originally built by the US Navy for the Vanguard rocket, and LC-18B, which was originally by the US Air Force used for tests of the PGM-17 Thor missile. The first launch from LC-18 was a Viking rocket from LC-18A on 8 December 1956, on a test flight for Project Vanguard. A further ...
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Vanguard TV-0, also called Vanguard Test Vehicle-Zero, was the first sub-orbital test flight of a Viking rocket as part of the Project Vanguard.. Project Vanguard was a program managed by the United States Naval Research Laboratory (NRL), and designed and built by the Glenn L. Martin Company (now Lockheed-Martin), which intended to launch the first artificial satellite into Earth orbit using a ...
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